BPSC TRE 4 General Science practice set 1 05th September 2026 Share On Que: (1). A piece of wire of resistance R is cut into 5 equal parts. These parts are then connected in parallel. If the equivalent resistance of the combination is R, then the ratio R/R is Asked in BPSC TRE 3.0 25 C. 1/5 B. 1/25 A. More than one of the above D. None of the above E. Check Answer Open question page Que: (2). A wire of resistance 20 ohm is cut into 4 equal parts. The resistance of each part is 5 ohm A. 10 ohm B. 20 ohm C. 80 ohm D. None of the above E. Check Answer Open question page Que: (3). Four identical resistors, each of resistance R, are connected in parallel. Their equivalent resistance is R/4 A. 4R C. R/2 B. R D. None of the above E. Check Answer Open question page Que: (4). Three identical resistors, each of resistance 6 ohm, are connected in parallel. The equivalent resistance is 18 ohm A. 6 ohm B. 2 ohm C. 3 ohm D. None of the above E. Check Answer Open question page Que: (5). Two resistors of 6 ohm and 3 ohm are connected in parallel. Their equivalent resistance is 2 ohm B. 9 ohm A. 3 ohm C. 18 ohm D. None of the above E. Check Answer Open question page Que: (6). Two resistors of 4 ohm and 6 ohm are connected in series. Their equivalent resistance is 2 ohm A. 24 ohm C. 10 ohm B. 1 ohm D. None of the above E. Check Answer Open question page Que: (7). A wire has resistance R. If its length is doubled while its cross-sectional area remains unchanged, its new resistance will be 2R C. R B. R/2 A. 4R D. None of the above E. Check Answer Open question page Que: (8). A wire has resistance R. If its cross-sectional area is doubled while its length remains unchanged, its new resistance will be R/4 A. 2R C. R/2 B. R D. None of the above E. Check Answer Open question page Que: (9). If a wire is stretched to twice its original length without changing its volume, its new resistance becomes 2R B. 4R C. R/2 A. R/4 D. None of the above E. Check Answer Open question page Que: (10). Five identical resistors, each of resistance 10 ohm, are connected in series. Their equivalent resistance is 2 ohm A. 50 ohm C. 10 ohm B. 100 ohm D. None of the above E. Check Answer Open question page Que: (11). Five identical resistors, each of resistance 10 ohm, are connected in parallel. Their equivalent resistance is 5 ohm C. 10 ohm B. 50 ohm A. 2 ohm D. None of the above E. Check Answer Open question page Que: (12). An electric heater of resistance 8 ohm draws 15 A current from the mains. What is the rate at which heat is developed in the heater? Asked in BPSC TRE 3.0 210 watt C. 220 watt A. 120 watt B. More than one of the above D. None of the above E. Check Answer Open question page Que: (13). A current of 5 A flows through a resistor of resistance 4 ohm. The power dissipated in the resistor is 50 watt B. 20 watt A. 100 watt C. 125 watt D. None of the above E. Check Answer Open question page Que: (14). A resistor of resistance 10 ohm is connected across a 20 V supply. The power consumed by the resistor is 200 watt C. 40 watt B. 20 watt A. 400 watt D. None of the above E. Check Answer Open question page Que: (15). A current of 2 A flows through a 5 ohm resistor for 10 seconds. The heat produced is 20 J A. 100 J C. 50 J B. 200 J D. None of the above E. Check Answer Open question page Que: (16). An electric bulb is rated 100 W, 200 V. The current drawn by the bulb at its rated voltage is 0.5 A B. 2 A C. 0.2 A A. 20 A D. None of the above E. Check Answer Open question page Que: (17). An electrical appliance operates at 220 V and draws a current of 5 A. Its power consumption is 1100 watt C. 44 watt A. 225 watt B. 2200 watt D. None of the above E. Check Answer Open question page Que: (18). A heater of resistance 10 ohm is connected to a 100 V supply. The current through the heater is 5 A A. 10 A B. 20 A C. 100 A D. None of the above E. Check Answer Open question page Que: (19). An electric heater consumes 2 kW of power for 3 hours. The electrical energy consumed is 3 kWh B. 2 kWh A. 5 kWh C. 6 kWh D. None of the above E. Check Answer Open question page Que: (20). If the current through a resistor is doubled while its resistance remains constant, the heat produced per second becomes Half C. Two times A. Four times B. One-fourth D. None of the above E. Check Answer Open question page Que: (21). Two resistors of 6 ohm and 3 ohm are connected in parallel across a 12 V battery. The total current drawn from the battery is 2 A A. 4 A B. 6 A C. 8 A D. None of the above E. Check Answer Open question page Que: (22). A 1000 W electric heater is operated for 2 hours. The electrical energy consumed is 2 kWh C. 0.5 kWh A. 1 kWh B. 2000 kWh D. None of the above E. Check Answer Open question page Que: (23). Which of the following lenses would you prefer to use while reading small letters found in a dictionary? Asked in BPSC TRE 3.0 A concave lens of 50 cm B. A convex lens of 50 cm A. A concave lens of 5 cm C. More than one of the above D. None of the above E. Check Answer Open question page Que: (24). Which type of lens is commonly used as a magnifying glass? Plane glass C. Concave lens A. Convex lens B. More than one of the above D. None of the above E. Check Answer Open question page Que: (25). A convex lens has a focal length of 20 cm. Its power is +5 D B. +2 D A. -5 D C. -2 D D. None of the above E. Check Answer Open question page Que: (26). A concave lens has a focal length of 50 cm. Its power is +0.5 D C. +2 D A. -2 D B. -0.5 D D. None of the above E. Check Answer Open question page Que: (27). When an object is placed between the optical centre and focus of a convex lens, the image formed is Real, inverted and diminished A. Virtual, erect and magnified C. Real, inverted and magnified B. Virtual, inverted and diminished D. None of the above E. Check Answer Open question page Que: (28). Which type of image is always formed by a concave lens for a real object? Real and erect C. Virtual and erect B. Real and inverted A. Virtual and inverted D. None of the above E. Check Answer Open question page Que: (29). If the focal length of a convex lens is decreased, its power Increases B. Decreases A. Remains unchanged C. Becomes zero D. None of the above E. Check Answer Open question page Que: (30). The SI unit of power of a lens is Watt A. Joule B. Dioptre C. Newton D. None of the above E. Check Answer Open question page Que: (31). A lens has a power of +4 D. Its focal length is 0.25 m B. 4 m A. -0.25 m C. 0.4 m D. None of the above E. Check Answer Open question page Que: (32). A lens has a power of -2 D. Which type of lens is it and what is its focal length? Convex lens, +50 cm A. Convex lens, -50 cm C. Concave lens, -50 cm B. Concave lens, +50 cm D. None of the above E. Check Answer Open question page Que: (33). Which lens is used to correct myopia (short-sightedness)? Concave lens B. Convex lens A. Cylindrical lens only C. More than one of the above D. None of the above E. Check Answer Open question page Que: (34). The human eye forms the image of an object at its ________ Asked in BPSC TRE 3.0 Iris B. Cornea A. Retina C. More than one of the above D. None of the above E. Check Answer Open question page Que: (35). Which part of the human eye controls the amount of light entering the eye? Retina A. Iris B. Cornea C. Optic nerve D. None of the above E. Check Answer Open question page Que: (36). Which part of the human eye acts as a screen on which the image is formed? Cornea A. Retina C. Iris B. Pupil D. None of the above E. Check Answer Open question page Que: (37). Which part of the eye changes its curvature to help focus objects at different distances? Crystalline lens C. Optic nerve B. Retina A. Iris D. None of the above E. Check Answer Open question page Que: (38). The ability of the eye lens to change its focal length according to the distance of the object is called Reflection A. Accommodation B. Dispersion C. Persistence of vision D. None of the above E. Check Answer Open question page Que: (39). Which type of lens is used to correct myopia? Convex lens A. Cylindrical lens C. Concave lens B. Plane lens D. None of the above E. Check Answer Open question page Que: (40). Which type of lens is used to correct hypermetropia? Convex lens B. Plane lens C. Concave lens A. Prism lens D. None of the above E. Check Answer Open question page Que: (41). In a normal human eye, the image formed on the retina is Virtual, inverted and diminished C. Real, inverted and diminished B. Virtual, erect and magnified A. Real, erect and magnified D. None of the above E. Check Answer Open question page Que: (42). The least distance of distinct vision for a normal human eye is approximately 10 cm A. 25 cm C. 15 cm B. 50 cm D. None of the above E. Check Answer Open question page Que: (43). The far point of a normal human eye is approximately 50 cm B. 1 m C. 25 cm A. Infinity D. None of the above E. Check Answer Open question page Que: (44). The blind spot in the human eye is the point where The optic nerve leaves the eye B. The iris is located A. The lens changes its curvature C. The pupil receives maximum light D. None of the above E. Check Answer Open question page Que: (45). Which of the following is not a part of the female reproductive system in human beings? Asked in BPSC TRE 3.0 Ovary A. Uterus B. Vas deferens C. More than one of the above D. None of the above E. Check Answer Open question page Que: (46). Which organ produces ova in the female reproductive system? Uterus B. Ovary A. Fallopian tube C. Vagina D. None of the above E. Check Answer Open question page Que: (47). Which organ is the usual site of implantation of the embryo in human females? Vagina C. Uterus B. Ovary A. Cervix D. None of the above E. Check Answer Open question page Que: (48). Which structure carries the ovum from the ovary toward the uterus? Urethra C. Fallopian tube B. Vas deferens A. Seminiferous tubule D. None of the above E. Check Answer Open question page Que: (49). In human beings, fertilization normally takes place in the Uterus A. Ovary B. Fallopian tube C. Vagina D. None of the above E. Check Answer Open question page Que: (50). Which of the following is a male reproductive organ? Testis C. Ovary A. Uterus B. Fallopian tube D. None of the above E. Check Answer Open question page Que: (51). Which duct carries sperm from the epididymis toward the urethra in the male reproductive system? Vas deferens B. Fallopian tube A. Oviduct C. Ureter D. None of the above E. Check Answer Open question page Que: (52). Which hormone is mainly produced by the ovaries and helps regulate the female reproductive cycle? Estrogen B. Insulin A. Adrenaline C. Thyroxine D. None of the above E. Check Answer Open question page Que: (53). Which hormone is mainly associated with the development of male secondary sexual characteristics? Estrogen A. Progesterone B. Testosterone C. Insulin D. None of the above E. Check Answer Open question page Que: (54). Which structure connects the uterus with the vagina? Fallopian tube C. Cervix B. Ovary A. Vas deferens D. None of the above E. Check Answer Open question page Que: (55). Which of the following produces sperm in the human male reproductive system? Prostate gland C. Seminiferous tubules A. Vas deferens B. Urethra D. None of the above E. Check Answer Open question page Que: (56). The anther contains _________ Asked in BPSC TRE 3.0 Sepals A. Ovules B. Pollen grains C. More than one of the above D. None of the above E. Check Answer Open question page Que: (57). Which of the following is the male reproductive part of a flower? Sepal C. Pistil A. Stamen B. Petal D. None of the above E. Check Answer Open question page Que: (58). Which of the following is the female reproductive part of a flower? Anther B. Pistil C. Stamen A. Filament D. None of the above E. Check Answer Open question page Que: (59). The ovules in a flower are present inside the Stigma C. Ovary B. Anther A. Filament D. None of the above E. Check Answer Open question page Que: (60). Which part of the flower receives pollen grains during pollination? Ovary C. Stigma B. Anther A. Filament D. None of the above E. Check Answer Open question page Que: (61). Which structure connects the stigma with the ovary in a flower? Filament A. Style B. Anther C. Sepal D. None of the above E. Check Answer Open question page Que: (62). The transfer of pollen grains from anther to stigma is called Pollination B. Fertilization A. Germination C. Fragmentation D. None of the above E. Check Answer Open question page Que: (63). What is the usual result of fertilization in flowering plants? Formation of sepal C. Formation of zygote A. Formation of pollen grain B. Formation of anther D. None of the above E. Check Answer Open question page Que: (64). After fertilization in a flowering plant, the ovule generally develops into a Fruit A. Seed B. Petal C. Stigma D. None of the above E. Check Answer Open question page Que: (65). After fertilization in a flowering plant, the ovary generally develops into a Seed A. Pollen grain C. Fruit B. Anther D. None of the above E. Check Answer Open question page Que: (66). Which part of a flower mainly attracts pollinators such as insects because of its colour and appearance? Petals A. Roots B. Filament C. Anther D. None of the above E. Check Answer Open question page Que: (67). Asexual reproduction takes place through budding in ______ Asked in BPSC TRE 3.0 Yeast B. Amoeba A. Plasmodium C. More than one of the above D. None of the above E. Check Answer Open question page Que: (68). Which type of asexual reproduction occurs in Amoeba? Fragmentation C. Binary fission B. Budding A. Spore formation D. None of the above E. Check Answer Open question page Que: (69). Which type of asexual reproduction occurs in Plasmodium? Multiple fission C. Binary fission B. Budding A. Fragmentation D. None of the above E. Check Answer Open question page Que: (70). In budding, a new organism develops as an outgrowth from the Parent organism A. Seed B. Spore C. Root D. None of the above E. Check Answer Open question page Que: (71). Which organism commonly reproduces by budding? Plasmodium C. Yeast A. Amoeba B. Paramecium D. None of the above E. Check Answer Open question page Que: (72). Which of the following is an example of asexual reproduction by fragmentation? Yeast A. Spirogyra B. Amoeba C. Plasmodium D. None of the above E. Check Answer Open question page Que: (73). Which organism reproduces asexually by spore formation? Yeast C. Amoeba B. Rhizopus A. Paramecium D. None of the above E. Check Answer Open question page Que: (74). Which of the following is NOT an example of asexual reproduction? Budding A. Sexual reproduction C. Binary fission B. Fragmentation D. None of the above E. Check Answer Open question page Que: (75). How many parent organisms are generally involved in asexual reproduction? Two B. One A. Three C. Four D. None of the above E. Check Answer Open question page Que: (76). Which method of asexual reproduction is commonly seen in Hydra? Multiple fission C. Binary fission B. Budding A. Fragmentation D. None of the above E. Check Answer Open question page Que: (77). Which method of asexual reproduction occurs in Leishmania? Binary fission B. Fragmentation C. Budding A. Spore formation D. None of the above E. Check Answer Open question page Que: (78). Which one of the following types of medicines is used for treating indigestion? Asked in BPSC TRE 3.0 Analgesic C. Antibiotic A. Antacid B. More than one of the above D. None of the above E. Check Answer Open question page Que: (79). Which type of medicine is commonly used to treat bacterial infections? Antacid B. Analgesic C. Antibiotic A. Antiseptic D. None of the above E. Check Answer Open question page Que: (80). Which type of medicine is used to relieve pain? Antacid A. Analgesic B. Antibiotic C. Antiseptic D. None of the above E. Check Answer Open question page Que: (81). Which substance is commonly used as an antacid? Sodium bicarbonate A. Sodium chloride B. Potassium permanganate C. Copper sulphate D. None of the above E. Check Answer Open question page Que: (82). Which acid is mainly present in the gastric juice of the human stomach? Nitric acid C. Hydrochloric acid B. Sulphuric acid A. Acetic acid D. None of the above E. Check Answer Open question page Que: (83). Which organ produces hydrochloric acid as part of gastric juice? Pancreas C. Stomach A. Liver B. Small intestine D. None of the above E. Check Answer Open question page Que: (84). Which type of medicine is used to reduce fever and relieve mild pain? Antipyretic analgesic B. Antacid A. Antibiotic C. Antiseptic D. None of the above E. Check Answer Open question page Que: (85). Which of the following is a common symptom of indigestion? Bloating A. Jaundice C. Fracture B. Bleeding from a wound D. None of the above E. Check Answer Open question page Que: (86). Antacids primarily work by Killing all bacteria in the body C. Neutralizing excess stomach acid A. Increasing blood pressure B. Increasing body temperature D. None of the above E. Check Answer Open question page Que: (87). Which type of medicine is commonly applied to the skin to prevent infection in minor cuts and wounds? Analgesic C. Antacid B. Antiseptic A. Antibiotic tablet D. None of the above E. Check Answer Open question page Que: (88). Which of the following is NOT a primary function of an antacid? Relieving acidity B. Neutralizing excess stomach acid A. Treating bacterial infections C. Providing relief from acid-related indigestion D. None of the above E. Check Answer Open question page
